Phase contrast microscopy is based on principle of__________________?
Correct answer: A. Different refractive indices of object
- A. Different refractive indices of object
- B. Different reflective indices of object
- C. Light scattering
- D. Light attenuation
Explanation
Phase-contrast microscopy converts differences in refractive index and thickness into visible differences in brightness and contrast. It is therefore useful for viewing living, unstained cells.
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